GitLab

MDEV-22185 Failing assertion: node->pcur->rel_pos == BTR_PCUR_ON or ER_KEY_NOT_FOUND or Assertion `inited==NONE' failed in handler::ha_index_init

long unique checks should be done for a partitioned table as a whole,
not for individual partitions.

Followup for f3f31eaa that extends it to UPDATE